18165106 has 8 divisors (see below), whose sum is σ = 27346860. Its totient is φ = 9049488.

The previous prime is 18165079. The next prime is 18165127. The reversal of 18165106 is 60156181.

It can be written as a sum of positive squares in 2 ways, for example, as 17564481 + 600625 = 4191^2 + 775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15841 + ... + 16948.

Almost surely, 2^18165106 is an apocalyptic number.

18165106 is a deficient number, since it is larger than the sum of its proper divisors (9181754).

18165106 is a wasteful number, since it uses less digits than its factorization.

18165106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33068.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 18165106 is about 4262.0541995615. The cubic root of 18165106 is about 262.8729983853.

The spelling of 18165106 in words is "eighteen million, one hundred sixty-five thousand, one hundred six".